

Bently Nevada | 3500/32M | 125720-01 | Spare 4-Channel Relay Output Module
The Bently Nevada 125720-01 is a precision spare 4-channel relay output module for the Bently Nevada 3500 Series machinery protection platform. Manufacturer: Bently Nevada | Product Type: Relay I/O Module | Operating Temperature: -30°C to +65°C. Factory-sealed, fully tested on a live 3500 rack with 48-hour burn-in at 55°C. 12-month warranty. Ships within 24 hours from Shenzhen.
Technical Specifications
| 125720-01 | is a Relay I/O Module developed by Bently Nevada. It belongs to the 4-Channel Relay Module system and features four relay outputs. This full-size module can be installed in any slot to the right of the Rack Interface Module, and multiple 4-Channel Relay Modules can be added as needed. Each relay output is independently programmable to meet specific voting logic requirements. |
|---|---|
| Part Number | 125720-01 |
| Manufacturer | Bently Nevada |
| Product Type | Relay I/O Module |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions | 241 mm (H) x 24.4 mm (W) x 99.1 mm (D) |
| Weight | 0.4 kg |
| Humidity | 95%, non-condensing |
| Function | Relay I/O Module |
| Country of Manufacture | United States (USA) |
| Availability | In Stock |
| Model / SKU | 125720-01 |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Understanding the Bently Nevada 125720-01
If you maintain Bently Nevada systems, you know that not all replacement parts are created equal. The 125720-01 is a spare 4-channel relay output module engineered specifically for Bently Nevada automation platforms. The aftermarket is flooded with modules that look identical on the outside but use inferior components internally. part number: 125720-01; manufacturer: Bently Nevada; product type: Relay I/O Module; operating temperature: -30°C to +65°C. We have tested clone modules side-by-side with genuine Bently Nevada units — the clones typically fail within 3–6 months in continuous industrial service, sometimes taking out the backplane with them.
Every 125720-01 we sell is 100% genuine Bently Nevada, with the manufacturer serial number and holographic label intact. We source from authorized distribution channels and decommissioned system tear-downs with full traceability documentation.
Before inserting this module, power down the chassis completely. Bently Nevada modules are generally not hot-swappable. Verify backplane voltage with a calibrated multimeter before insertion. After installation, power up and verify the status LED shows normal operation before returning the system to service. Run the manufacturer diagnostic routine if available.
Compatible Parts — Same System
These modules share the same system family as the 125720-01. Commonly ordered together for complete rack builds or spare parts kits.
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